Home / 40,074.19-60,114.41-13,420.27

Finding the Fourth Proportional to 40,074.19, 60,114.41 and 13,420.27

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Solution

The fourth proportional to 40,074.19, 60,114.41 and 13,420.27 is: 20,131.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,074.19 : 60,114.41 = 13,420.27 : x
  2. Step 2: Convert to fraction form
    40,074.19/60,114.41 = 13,420.27/x
  3. Step 3: Cross multiply
    40,074.19x = 60,114.41 × 13,420.27
  4. Step 4: Simplify right side
    40,074.19x = 806,751,613.09
  5. Step 5: Solve for x
    x = 806,751,613.09/40,074.19
  6. Step 6: Final answer
    x = 20,131.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.